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Finding the Fourth Proportional to 1,062,908,830.80, 1,594,363,246.20 and 998,338,749.30

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Solution

The fourth proportional to 1,062,908,830.80, 1,594,363,246.20 and 998,338,749.30 is: 1,497,508,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,908,830.80 : 1,594,363,246.20 = 998,338,749.30 : x
  2. Step 2: Convert to fraction form
    1,062,908,830.80/1,594,363,246.20 = 998,338,749.30/x
  3. Step 3: Cross multiply
    1,062,908,830.80x = 1,594,363,246.20 × 998,338,749.30
  4. Step 4: Simplify right side
    1,062,908,830.80x = 1,591,714,609,141,196,032
  5. Step 5: Solve for x
    x = 1,591,714,609,141,196,032/1,062,908,830.80
  6. Step 6: Final answer
    x = 1,497,508,123.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.